SuperKEKB Shift Report

2026/4/28 (Tu) Day shift

KCG shift Shift leader KEKB MSC Linac shift Linac MSC BCG
OUMBAREK ESPINOS MAN.TANAKA
T.MORO
T.KAMITANI R.OIKAWA
K.KIMURA
Su Xu

Shift Summary

recorded delivered
Peak luminosity 4.01 x 10 34 cm-2s-1
Integrated luminosity (shift) 91.2 pb-1 118.2 pb-1

LER HERBoth DR
Energy 4.002 GeV 7.010 GeV 10.583 GeV 1.1 GeV
Beam current 1402.9 mA 1121.1 mA 29.0 mA
No. bunches 2346 2346
Beta at IP 60 mm / 1 mm 55 mm / .9 mm
Crab Waist Ratio 80 % 60 %
Aborts 1 0 6

IP Knob Tuning

08:27 LER HER
r1 (mrad) -2.17 0.84
r2 (mm) -4.51 7.11
r3 (1/hm) 0.00 0.00
r4 (crad) 0.00 0.00
ηy (mm) -0.19 0.01
ηpy (mrad) 9.96 -20.00
waist (mm) 1.35 -1.11
chromatic r1 (mrad) 0.00 0.00
chromatic r2 (mm) 0.00 0.00
chromatic r3 (1/m) 0.00 0.00
chromatic r4 (rad) 0.00 0.00
created on 04/28/2026 16:01:09